A kind of metal cylinder electric smelting increasing material manufacturing system
Technical field
The present invention relates to increasing material manufacturing apparatus field more particularly to a kind of metal cylinder electric smelting increasing material manufacturing systems.
Background technique
Currently, the modern heavy-duties such as nuclear power, thermoelectricity, petrochemical industry, metallurgy, ship industrial equipment just increasingly to enlargement, complicate,
High reliability under high-performance parameter and extreme condition, long life serve direction are fast-developing, required Hi-Stren steel, heat-resisting
The key metals barrel components size such as alloy is also increasing, quality requirement is higher and higher.It is primarily now using hundreds of tonnes
Large-scale steel ingot smelting, casting and ton water hydraulic press etc. are heavy to forge industrial equipment excellent suitability for press forming mode to manufacture metal cylinder, and
It is aided with final machining, this method can satisfy technical quality requirement substantially, but this manufacturing process is various, the production cycle is long, material
Expect that utilization rate is low, it is high to inevitably result in component cost, and on the other hand, this manufacturing process is complicated, chemistry is controlled with mechanical property
The problems such as difficulty is big, also results in poor quality stability, high rejection rate, holds at high price, drastically influences project construction progress,
Restrict the manufacturing development of China's weight equipment.
To solve the above problems, country hopes that weight equipment manufacturing industry obtains important breakthrough with enterprise, and in recent years, melting
Depositing Quick-forming (i.e. electric smelting increases material manufacturing technology) just becomes an important developing direction.
Wherein, the electric smelting manufacturing process of metal cylinder electric smelting increasing material manufacturing is compound using arc heat, resistance heat, electroslag heat
Made of high energy heat source, the raw metal silk material being continuously conveyed by electric smelting first melt, the Layer by layer solidification stack shaping on substrate
Metal cylinder component is manufactured, manufacture flexibility degree is high, forming period is short, materials chemistry since electric smelting increases material manufacturing technology has
The advantages that with good mechanical performance, has been applied to the forming of metal cylinder component, in order to capture metal cylinder component large scale
Crackle and stomata, chemistry segregation and the problems such as total cross-section performance requirement with occurring in complicated shape forming process, need
Raw metal silk material is sent via conveying mechanism and electric smelting head to before substrate surface fusing, according to the technological requirements, workpiece worksheet
Face temperature according to different material and operating rate, should control stablize within the scope of 100-600 DEG C it is adjustable.
It can be seen that metal cylinder electric smelting increases the critical process that material technique faces at present is how to guarantee stability contorting
Temperature when work, and meet the requirement of higher and higher mechanics and chemical property.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of metal cylinder electric smelting increasing material manufacturing system, pass through water
The gentle cooling for realizing increasing material manufacturing, improves the chemistry and mechanical property of workpieces processing.
In order to solve the above-mentioned technical problems, the present invention provides a kind of metal cylinder electric smelting increasing material manufacturing systems, including water
The flat columnar matrix that is arranged and can be rotated around central axis, the electric smelting head group for increasing material above matrix and for electric smelting
Part and cooling device for cooling, further include translation driving device, and the cooling device includes the collection set on intrinsic silicon
Several nozzles for being set gradually at portion, along integral part length direction, set on integral part one end water entering section and be set to integrated
The intake section of portion's other end;
In the integral part one by one equipped with common air chamber, the vent branch of connection common air chamber and nozzle and with nozzle
Several independent waterways being correspondingly connected with, the water entering section include into supply mains, for control into supply mains switch shut-off valve,
Distributor for the moisture for entering supply mains to be assigned to independent waterway and the water regulating valve on independent waterway,
The intake section includes the air inlet pipe being connected to common air chamber and the air volume regulating valve in air inlet pipe;
The electric smelting head assembly is fixedly connected with cooling device, the opening up setting of the nozzle of the cooling device, institute
It states the electric smelting of electric smelting head assembly upside down and liftable setting, the translation driving device driving electric smelting head assembly and cooling fills
Set level of synchronization reciprocating movement.
It as an improvement of the above scheme, further include multiple temperature sensors for detecting matrix different parts temperature, when
When the temperature value that temperature sensor detects is greater than the set value, the cooling device work.
It as an improvement of the above scheme, further include heating device, the heating device is located at the lower section of matrix.
As an improvement of the above scheme, the number of the nozzle is equal to the number of electric smelting head.
As an improvement of the above scheme, the nozzle and electric smelting head are in the vertical sagittal plane of matrix.
As an improvement of the above scheme, the diameter range of the independent waterway is 5-20mm.
As an improvement of the above scheme, the integral part includes aluminum profile, and the center of the aluminum profile, which is equipped with, is used as ventilation
The middle air chamber of general pipeline, the aluminum profile are equipped with several water cavities for being used as independent waterway, and the surface of the aluminum profile is equipped with
For installing the retaining groove of water pipe, the water pipe is used as independent waterway.
As an improvement of the above scheme, the aluminum profile is the standard aluminum profile of 80*40 or 80*80.
It as an improvement of the above scheme, further include the back-up roller wheel for being used to support matrix, described matrix rotation is set to support
It is driven on idler wheel and by rotation drive device and is rotated.
Implement the embodiment of the present invention, has the following beneficial effects:
1, the present invention is by the gentle cooling medium as electric smelting increasing material manufacturing of water, and wherein water route passes through independent water service pipe
And lead to the water of nozzle with the one-to-one runoff investigation valve regulation of independent water service pipe, gas circuit is adjusted by air volume regulating valve
The tolerance for leading to nozzle leads to the aqueous vapor of nozzle by accurately controlling, thus realize the accurate control of electric smelting increasing material manufacturing temperature,
So that the material resources performance and chemical property of the workpiece that metal cylinder electric smelting increasing material manufacturing goes out preferably are controlled;
2, nozzle of the invention is provided at intrinsic silicon, during cooling down, the atomization of nozzle ejection
Aqueous vapor is the inner sidewall for directly spraying to matrix, and atomization aqueous vapor takes away a large amount of thermal energy by carrying out heat exchange with matrix inner wall, and
And material processing quality will not be increased to the electric smelting of outer surface of matrix using the type of cooling of the invention and had an impact, at this point, when processing
When workpiece is the metal cylinder component of large scale and complicated shape, will not cracked, stomata and chemistry segregation etc. it is bad
It influences, the mechanical property and chemical property of the workpiece processed are good;
3, when using electric smelting increasing material manufacturing system of the invention, matrix will not be moved, and only do circumnutation, electric smelting head group
Part only carries out straight reciprocating when carrying out certain layer increasing material, can guarantee the uniformity for increasing material in this way, so that workpieces processing
Mechanical property and chemical property it is good, in addition, cooling device of the invention be by translation driving device drive with electric smelting
What the movement of head assembly was moved together, such nozzle cooling position moment is all the position of electric smelting head processing, since electric smelting increases
Material manufacture is to form workpiece by stacking completely, at this point, movement is particularly important simultaneously for nozzle and electric smelting head, can effectively be mentioned
The cooling precision of height, and due to the constant velocity rotary motion of matrix, in addition nozzle directly sprays matrix inner sidewall, institute
Using spray regime as the entire inner sidewall of matrix, the range of cooling is larger, cooling is more uniform;
4, cooling device of the invention does not need any chemical liquid as cooling medium, only uses and cleans cheap tap water
As cooling medium, secondly, not needing complicated energy consumption electromechanical assembly to carry out cooling work, merely with tap water itself yet
The atomizing functions of pressure and nozzle are taken away a large amount of thermal energy and are discharged in air, achieve the purpose that cool after water,
Without any pollution and energy consumption during this, so system of the invention has many advantages, such as energy-saving and environmental protection.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of metal cylinder electric smelting increasing material manufacturing system of the present invention;
Fig. 2 is the working principle diagram of cooling device of the present invention;
Fig. 3 is the sectional view of aluminum profile of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.Only this is stated, the present invention occurs in the text or will occur up, down, left, right, before and after, it is inside and outside etc. just
Position word is not to specific restriction of the invention only on the basis of attached drawing of the invention.
Referring to attached drawing 1 to attached drawing 3, the invention discloses a kind of metal cylinder electric smelting increasing material manufacturing systems, including level to set
Set and can be rotated around central axis columnar matrix 1, above matrix 1 and for electric smelting increase material electric smelting head assembly
2 and for cooling cooling device 3.Wherein electric smelting head assembly 2 is driven by translation driving device and is moved back and forth.For reality
Existing matrix 1 rotates, and the invention also includes the back-up roller wheel 4 for being used to support matrix 1, the rotation of described matrix 1 is set in back-up roller wheel 4
And pass through the driving rotation of rotation drive device 5.
In order to achieve the object of the present invention, the cooling device 3 includes integral part 31 inside the matrix 1, along integrating
Several nozzles 32 that 31 length direction of portion is set gradually, set on 31 one end of integral part water entering section 33 and be set to integral part
The intake section 34 of 31 other ends.
Specifically, the ventilation branch in the integral part 31 equipped with common air chamber 311, connection common air chamber 311 and nozzle 32
Pipe 312 and several independent waterways 313 to connect one to one with nozzle 32, the water entering section 33 includes into supply mains
331, for controlling the shut-off valve 332 into the switch of supply mains 331, for the moisture for entering supply mains 331 to be assigned to independent waterway
313 distributor 333 and the water regulating valve 334 on independent waterway 313, the intake section 34 include and ventilation
The air inlet pipe 341 and the air volume regulating valve 342 in air inlet pipe 341 that general pipeline 311 is connected to.The independent waterway 313 it is straight
Diameter ranges preferably from 5-20mm.
Wherein, the electric smelting head assembly 2 is fixedly connected with cooling device 3, the opening court of the nozzle 32 of the cooling device 3
Upper setting, the electric smelting of the electric smelting head assembly 2 is upside down and liftable setting, the translation driving device drive electric smelting head assembly
2 and 3 level of synchronization of cooling device move back and forth.
Preferably, the number of the nozzle 32 is equal to the number of electric smelting head, i.e., each nozzle 32 cooling region and electric smelting
The region of head processing corresponds, and can reach optimal cooling effect.And the nozzle 32 is in matrix 1 with electric smelting head
Vertical sagittal plane, i.e., region that is cooling and processing is located at the same position of matrix 1, and cooling efficiency is greatly improved.
When work, the workpiece of increasing material manufacturing is stacked the raw material silk material of fusing by electric smelting head on matrix 1.By
During layer forming, raw material silk material forms molten bath on lower metal surface, and molten drop enters behind molten bath to solidify and make with shape of plasma jet
Double layer of metal is integrally formed, and is realized layering forming, overall fusion, be ensure that the overall performance of form metal component.
It is more accurately controlled to realize, system of the present invention further includes for detecting 1 different parts temperature of matrix
Multiple temperature sensors (not shown in attached drawing), it is described cold when the temperature value that temperature sensor detects is greater than the set value
But device 3 works.Specifically, when the temperature value that temperature sensor detects is greater than the set value (i.e. the operating temperature of technique requirement)
When, the air volume regulating valve 342 in gas circuit is first opened, then opens the shut-off valve 332 and water regulating valve 334 on water route again,
It is sprayed by nozzle 32 against working region after aqueous vapor merges, forms diffusion water mist and take away heat, reach the mesh to cool down rapidly
's.In the process, each regulating valve adjustable water throughput, so that the speed for making workpiece cool is adjustable.
Further, system of the invention further includes heating device 6, and the heating device 6 is located at the lower section of matrix 1, when
When 1 temperature of matrix is lower than required temperature, the heating device 6 works.And the spray head of the heating device 6 and nozzle 32 with
And electric smelting head is in the same vertical sagittal plane of matrix 1, is most accurately controlled at this point it is possible to reach.
It should be noted that integral part 31 of the present invention includes aluminum profile 7, the center of the aluminum profile 7, which is equipped with, to be used as
The middle air chamber 71 of common air chamber, the aluminum profile are equipped with several water cavities 72 for being used as independent waterway, the aluminum profile
Surface is equipped with the retaining groove 74 for installing water pipe, and the water pipe is used as independent waterway.
The structure of the aluminum profile of the prior art is typically all intermediate equipped with a large cavity, is additionally provided with some lesser cylinders
The small cavity of shape, and surface can be arranged in the periphery of aluminum profile can be arranged groove, and integral part of the invention can be directly used existing
At aluminum profile, using the large cavity of aluminum profile as ventilation common air chamber, using small cavity as the independent water flowing of independent water flowing
Road, the number of independent waterway needed for wherein the number of small cavity is generally less than, at this time, it may be necessary to which separately setting some water pipes is used as residue
Independent waterway, water pipe can be directly installed in the groove of aluminium shape surface.The present invention uses ready-made aluminum profile, selection
It is convenient, and aluminum profile has good heat dissipation effect, the more conducively cooling of electric smelting increasing material manufacturing.
Preferably, the aluminum profile is the standard aluminum profile of 80*40 or 80*80.
The production of [case study on implementation] rotating cylinder
Present case description makes the process of metal cylinder by electric smelting manufacturing process, and material is ordinary low-carbon steel, is used
Equipment referring to attached drawing 1.
Attached drawing 1 schematically illustrates figure for the present embodiment, and wherein cooling device has only drawn 9 nozzles in this schematic diagram
32, the number that meet the requirements can be selected when implementation according to specific requirements, the devices such as power supply, automatic feeding are omitted in figure.
Specifically, selecting ordinary low-carbon steel as raw material silk material, the diameter of raw material silk material is 4mm, and electric smelting head assembly 2 includes
9 electric smelting heads, electric smelting power supply are DC power supply, connect power cathode using electric smelting head, substrate connect positive pole (when direct current, electric smelting
Head connects power cathode, and substrate connects positive pole, can greatly improve processing efficiency);Wherein electric smelting technological parameter are as follows: electric smelting electric current
700A, electric smelting voltage 35V, electric smelting head and 1 relative moving speed of matrix are 500~600mm/min.
Metal cylinder component is made using electric smelting manufacturing process, implementation step is as follows:
1, the axis horizontal of columnar matrix 1 is configured, and be supported in back-up roller wheel 4, by electric smelting head with 200mm's
Average transverse is arranged in the top of matrix 1 to spacing (i.e. adjacent feed silk material center away from), and adjusts each electric smelting head and matrix
The distance on 1 surface (outer peripheral surface), and choose the starting point of electric smelting;
2, raw material silk material and auxiliary material are sent to 1 surface of matrix, startup power supply, import high energy heat source, melt raw material silk material and
Auxiliary material, while rotating matrix 1, starting first of first layer of each electric smelting head of electric smelting deposition, (each layer is by the more of axial alignment
Road is constituted);
3, after forming a distance between electric smelting head and electric smelting starting point, start starting auxiliary material recyclable device its is unfused
Auxiliary material recycling, expose skull simultaneously removed, in order to it is lower together electric smelting deposit (accumulation);Subsequent start-up cooling device 3
Or heating device 6 is cooled down or is heated to electric smelting deposited metal, its matrix 1 (is referred to matrix 1, at other layer when first layer
Refer to preceding layer deposit) temperature control at 200~300 DEG C;
4, when one circle of the rotation of matrix 1 completes first of electric smelting deposition, under control of the control means, all electric smelting heads are same
When turn left 3/4 molten road width distance of linear movement, while the distance between each electric smelting head and 1 surface of matrix are adjusted, to guarantee electricity
Molten stability starts the electric smelting deposition formation of first layer second later, this will guarantee to overlap between its left and right circle road in the process
Well;
5, after the completion of second, the forming that step (4) complete other electric smelting deposition road again is repeated, when reaching last
When road, last one of the end point and first of starting point of adjacent electric smelting head will be overlapped well, so that complete the electric smelting of first layer
Deposition;
6, after completing the electric smelting deposition of first layer, the height of all one layer of deposition thickness (i.e. thickness) of electric smelting head automatic lifting
Degree starts first of electric smelting deposition of the second layer, and the end point of first layer electric smelting head is first of the second layer of starting point, even
Continuous deposition;
7, when first of electric smelting of the second layer deposition after the completion of, all electric smelting heads turn right simultaneously move linearly 3/4 molten track pitch from,
Simultaneously each electric smelting head adjust automatically its distance between with first layer, to guarantee the stability of electric smelting, start second layer second
Electric smelting deposition, make to overlap between its left and right welding bead good;
8, it when completing second layer second electric smelting deposition completion, repeats step (7), then completes other electric smelting depositions
Road, when reaching last one, last one of the end point and first of starting point of adjacent electric smelting head will be overlapped well, so that it is complete
It is deposited at the electric smelting of the second layer;
9, step (6) to step (8) are repeated, then completes other electric smelting sedimentaries, during this, adjacent electric smelting sedimentary electricity
The moving direction of molten head is on the contrary, final continuous electrofusion deposits to form entire metal component.
In above process, according to field measurement temperature, cooling device 3 is in work or armed state;Work as observed temperature
At require greater than technique 300 DEG C, the air volume regulating valve 342 of gas circuit is first opened, then opens the shut-off valve 332 and water in water route
Regulating valve 334 is sprayed by nozzle 32 against working region after aqueous vapor merges, and is formed diffusion water mist and is taken away heat, reaches fast
The purpose of prompt drop temperature.
It is corresponding by each independent water service pipe 73 respectively according to the measurement temperature of each temperature measuring point in temperature adjustment process
Water regulating valve 334 adjust the flow of water, it is both full to speed that each position of adjustable work-piece cools and reach balanced
Foot technique requirement, in turn ensures product quality.Material passes through the identification of legal authoritative institution, country, every physicochemical property and power
Country/international standard requirement that performance indicator reaches the material is learned, illustrates that face plays key to the cooling device 3 herein
Effect, is the indispensable key device of metal cylinder electric smelting increasing material manufacturing.
It should be noted that because the process that precursor electric smelting stacks is actually the process of a micro- molten bath metallurgy, at this
In the process, due to having stringent technological temperature to be controlled by this system, the bad phenomenons such as it is not easy to crack, just
It calculates and finds some bad defects, repairing can also be stacked by electric smelting to be eliminated.In addition, largely testing number according to inventor
Accordingly and the conclusion that draws of professional inspection authority checks obtains, by using the mechanics for the workpiece that system of the invention processes
Performance and chemical property are good.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.